Factor completely.x3 - 100x
A. x(x - 10)2
B. (x2 - 10)(x + 10x)
C. x(x - 10)(x + 10)
D. x(x + 10)2
Answer: C
Mathematics
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Factor completely.16 + 8x + x2
A. (x - 4)2 B. (x + 4)2 C. (x + 4)(x - 4) D. Prime
Mathematics
Factor by grouping.20a3 - 25a2b - 16ab2 + 20b3
A. (4a - 5b)(5a2 - 4b2) B. (4a + 5b)(5a2 - 4b) C. (4a - 5b)(5a2 - 4b) D. (4a + 5b)(5a2 + 4b2)
Mathematics
Find the limit.
A. 9
B. -9
C. 
D. ?
Mathematics
Find the center, foci, and vertices of the ellipse.9x2 + 64y2 = 576
A. center at (0, 0)
foci at (0, -3) and (0, 3)
vertices at (0, -9), (0, 9)
B. center at (0, 0)
foci at (-8, 0) and (8, 0)
vertices at (-64, 0), (64, 0)
C. center at (0, 0)
foci at (- 
, 0) and (
, 0)
vertices at (-8, 0), (8, 0)
D. center at (0, 0)
foci at (0, - 
) and (0, 
)
vertices at (0, -8), (0, 8)
Mathematics